OpenTechnical

OT-2026-000031714

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000031714) never changes.

Identity and time

Publication numberOT-2026-000031714 · never reused
Internal UUID01a0ae74-bad0-7e13-b17e-a4f51f5f2490 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031714
StatusPUBLIC

Content hashes

Canonical text8c4dcf9dd916a6cd719294904f9e299546539c4005bd157941b6dcf7c031b954
Markdownccf568edd49b3f11490105711ccb9b7cf93b3781d020ff3f1d57a138989c8005
PDF
Publication page50eed41a0e64c86d2703c36531ecf45559be79248cf19cf000cb4f74d3463bab
Manifestad4b768786ef89576752f523b063579489e7ccadec5beab3e57c97c5620ae8c1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureGqNR8juAKuSv+ZrW3RWygRFrXnpzfqMWnkOTNdU0ZtTS9tQF/fYigo9dacNFC9MW5n1E+lISYYe6Q6MwvQYnCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:49.462267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031714
observed 50eed41a0e64c86d2703c36531ecf455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.445510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031714/manifest.json
observed ad4b768786ef89576752f523b0635794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.427606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031714/publication.md
observed ccf568edd49b3f11490105711ccb9b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.411717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031714/publication.txt
observed 8c4dcf9dd916a6cd719294904f9e2995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.